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Season guide

Cold Case: Season 4

24 episodes Premiered Sep 24, 2006
Previously on Cold Case

Season 4 Lore Primer

Key plot threads, lore context, and character stakes you need to remember before diving into this season.

  • Directly follows the overarching narrative developments of Cold Case Season 3.
  • Faction dynamics and core character alliances shift under escalating external stakes.
  • Crucial mysteries introduced previously reach key turning points and narrative reckonings.
  • Sets up serialized story arcs that build directly toward the climactic season finale.
Season 4 Episodes

Episode Guide

🛡️ SPOILER SHIELD

Season 4 Progress Shield

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Binge Efficiency Engine

Season 4: Filler vs. Essential Canon

Filter episodes by narrative weight. Focus on essential mytharc and skip standalone side quests.

29%
71%
Mytharc (7): Crucial lore & season climaxes
Core (17): Character development & subplots
Side Quest (0): Standalone / filler
S4·E1 Mytharc

Rampage

Sep 24, 2006

Lilly investigates a 1995 shooting spree at a mall in which two teen boys killed 15 people before committing suicide. The case is reopened when a video of the crimes is found and i

S4·E2 Core

The War at Home

Oct 1, 2006

The team re-opens the 2004 case of a female veteran of the Iraqi War when her prosthetic arm is found in a river. Meanwhile, Scotty visits his older brother in connection with a ca

S4·E3 Mytharc

Sandhogs

Oct 8, 2006

When the remains of a sandhog miner who disappeared in 1947 are found in a subway service tunnel, the team is prompted to re-open the case when they suspect the victim might have b

S4·E4 Mytharc

Baby Blues

Oct 15, 2006

A 6-month-old girl's 1982 death, originally ruled to be a result of sudden-infant-death syndrome, is investigated when new evidence reveals the baby may have drowned. Also, Lilly l

S4·E5 Core

Saving Sammy

Oct 22, 2006

Lilly re-opens a 2003 case in which an autistic boy's parents were shot in their car when Joseph brings her information that the boy might have seen the killer.

S4·E6 Core

Static

Oct 29, 2006

The apparent 1958 suicide of a popular rock-and-roll DJ is reinvestigated after a documentary filmmaker discovers a tape recording made at the time of the victim's death by gunshot

S4·E7 Core

The Key

Nov 5, 2006

The 1979 murder of a schoolteacher who was stabbed to death in a wooded area is reopened when the victim's bloodstained jacket is found stuffed in a tree trunk with a happy-face ke

S4·E8 Core

Fireflies

Nov 12, 2006

The 1975 disappearance of an 8-year-old girl who was never found is reinvestigated after a note written by the girl shortly before she vanished turns up. Their friendship rattled m

S4·E9 Core

Lonely Hearts

Nov 19, 2006

A homely 33-year-old woman is gunned down in an alley in 1989 and her unsolved murder is reinvestigated when a tape of the victim, made for a dating service, turns up in a suicide

S4·E10 Mytharc

Forever Blue

Dec 3, 2006

The team re-investigates the 1968 death of a policeman who was shot in his patrol car. The case was then ruled as a drug bust gone bad, but new evidence now reveals the victim may

S4·E11 Core

The Red and the Blue

Dec 10, 2006

Lilly and Valens travel to Nashville and Knoxville to investigate the 2000 murder of a country-music singer who was gunned down outside of a Philadelphia bar where he and his band

S4·E12 Core

Knuckle Up

Jan 7, 2007

Lilly investigates the murder of a 17-year-old prep-school student who disappeared in early 2006 and whose body is found stuffed in an oil drum outside an abandoned warehouse in a

S4·E13 Core

Blackout

Jan 14, 2007

Lilly investigates the 1996 murder of a wealthy divorced woman who was found dead in her ex-husband's indoor swimming pool. The original investigation ruled the death accidental, b

S4·E14 Core

8:03 AM

Jan 28, 2007

In 2002, two kids were shot in front of two different schools on the same day at precisely 8:03 a.m. It's the fifth anniversary of the shootings, and Kat Miller wants to re-open th

S4·E15 Core

Blood on the Tracks

Feb 18, 2007

Lilly investigates the deaths of a married couple who perished in 1981 when a supposedly accidental gas-leak explosion set their house on fire. The case is reopened when fragments

S4·E16 Core

The Good-Bye Room

Mar 4, 2007

Lilly investigates the 1964 murder of a 17-year-old girl who was sent by her parents to a home for unwed mothers, where she gave birth to a girl. The next day the teen was killed.

S4·E17 Mytharc

Shuffle, Ball Change

Mar 11, 2007

When a body is found in a dumpster, the team re-opens the 1984 case of a murdered teenage boy who wanted to become a dancer against his father's wishes.

S4·E18 Core

A Dollar, A Dream

Mar 18, 2007

The 1999 murder of a homeless woman, whose body is found at the bottom of a river in a station wagon, is investigated.

S4·E19 Core

Offender

Mar 25, 2007

A father pushes a registered sex offender off of a building and threatens to kill a different sex offender each day until the cold-case unit solves his son's 1987 rape and murder.

S4·E20 Core

Stand Up and Holler

Apr 1, 2007

The 1997 murder of a 16-year-old girl high-school cheerleader is investigated after an anonymous confession is discovered in a modern-art exhibit.

S4·E21 Core

Torn

Apr 8, 2007

The team re-investigates their oldest cold case yet, the 1919 murder of a young woman who was a passionate advocate for women's right to vote.

S4·E22 Core

Cargo

Apr 15, 2007

The 2005 murder of a longshoreman who accidentally became involved in a human-trafficking ring run by the Russian mob.

S4·E23 Mytharc

The Good Death

Apr 29, 2007

The 1998 death of a terminally ill man who died months before he was expected to is investigated after a nurse confesses to six so-called mercy killings.

S4·E24 Mytharc

Stalker

May 6, 2007

In the fourth season finale, a hostage situation arises when the entire team is held captive while they're investigating the 2006 killings of a family who had just moved into a new